720787984

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3833}}^1$

素因数の和:3944

約数の個数: 80

約数和(自身を含む): 1688677632

約数和(自身を除く): 967889648

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 73, 92, 112, 146, 161, 184, 292, 322, 368, 511, 584, 644, 1022, 1168, 1288, 1679, 2044, 2576, 3358, 3833, 4088, 6716, 7666, 8176, 11753, 13432, 15332, 23506, 26831, 26864, 30664, 47012, 53662, 61328, 88159, 94024, 107324, 176318, 188048, 214648, 279809, 352636, 429296, 559618, 617113, 705272, 1119236, 1234226, 1410544, 1958663, 2238472, 2468452, 3917326, 4476944, 4936904, 6435607, 7834652, 9873808, 12871214, 15669304, 25742428, 31338608, 45049249, 51484856, 90098498, 102969712, 180196996, 360393992, 720787984]

約数ペア:

[(1, 720787984), (2, 360393992), (4, 180196996), (7, 102969712), (8, 90098498), (14, 51484856), (16, 45049249), (23, 31338608), (28, 25742428), (46, 15669304), (56, 12871214), (73, 9873808), (92, 7834652), (112, 6435607), (146, 4936904), (161, 4476944), (184, 3917326), (292, 2468452), (322, 2238472), (368, 1958663), (511, 1410544), (584, 1234226), (644, 1119236), (1022, 705272), (1168, 617113), (1288, 559618), (1679, 429296), (2044, 352636), (2576, 279809), (3358, 214648), (3833, 188048), (4088, 176318), (6716, 107324), (7666, 94024), (8176, 88159), (11753, 61328), (13432, 53662), (15332, 47012), (23506, 30664), (26831, 26864)]